The Browning Camping Long McKinley -30, Caly/Black is the perfect freezing-climate sleeping bag with lots of room to move. It is a rectangular bag with oversized hood so you can spread out and yet keep warm. The Techloft Insulation in 2-layer offset construction will keep you comfortably warm. The insulated chest and zipper baffles keep the warmth in and cold drafts out.This bag is comfortable down to -30 C so it's the perfect for trips to places that are regularly below freezing at night. This Long version lets even taller people snuggle up comfortably inside the sleeping bag.